![background image](http://html.mh-extra.com/html/sony/ta-sp55/ta-sp55_service-manual_1329671009.webp)
TA-SP55
9
9
4-1. BLOCK DIAGRAM
1
3
2
1
2
4
3
5
7
1
3
2
1
7
6
3
DSG
DSG
STANDBY
VOLUME
FUNCTION SELECT
LED
DRIVE
LED
DRIVE
Q912,913
Q911,914
Q311,312
D911
D912
S921
MUTE
MUTE
Q552,553
Q802-804
Q801
RY801
CN551
FAN DRIVE
CN101
FAN
DC
DETECT
RELAY
DRIVE
RY101
+7V
REG.
-7V
REG.
+UNREG(H)
(+13V)
+UNREG(L)
-UNREG(L)
+7V
+5.6V
-7V
VCC
Q201
IC211
Q202
D201-204
D209-210
D251
D211-214
T102
D551
TR101
HK, MY, SP
model
(POWER AMP)
+5.6V
REG.
RELAY
DRIVE.
JW102
AEP, AED, UK, KR
model
JW104
IC502
JW101
AEP, AED, UK, KR model
Q211
AC
IN
L
L
SPEAKER
PHONE
TM801
R-CH
R-CH
R-CH
R-CH
IC801
POWER AMP
Q512
Q314
MUTE-A
IC552(2/2)
IC552(1/2)
Q301,302
BUFFER
Q516
IC501
SHK PROCESSOR
TREB
BASS
+
-
L-SHK
TREBLE
RV503
RV502
BASS
L
R
-UNREG(L)
+UNREG(L)
+5.6V(UNSW)
+13V(REG)
XPRE-MUTE
HP-MUTE
XS-RELAY
P-RELAY
DSG-OFF
TA-KEY/HPSW
ON/STBY/
ENC0
ENC1
R-CH
L-ORG
-UNREG(L)
+UNREG(L)
+5.6V
+UNREG(H)
DSG OFF
TAKEY
HPSW
8
6
1
3
4
5
5
2
1
11
10
12
9
CN301(1/2)
CN302
S901
S902
S931
J667
F102
S101
S101
VOLTAGE
SELECT
220V-240V 110V-120V
SYSTEM
CONTROL 1
TO
ST-SP55
"/1
: FM
•
Signal Path
•
R-ch is omitted due to same as L-ch.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299